transition from printf to write

utils/putchar.c

@@ -0,0 +1,6 @@
+#include <unistd.h>
+
+void	ft_putchar(char c)
+{
+	write(1, &c, 1);
+}

utils/putnum.c

@@ -0,0 +1,47 @@
+#include <stddef.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include "utils.h"
+
+static size_t	get_size(size_t num)
+{
+	size_t	nb_digit;
+	size_t	rest;
+
+	nb_digit = 0;
+	if (num == 0)
+		nb_digit++;
+	rest = num;
+	while (rest != 0)
+	{
+		nb_digit++;
+		rest = rest / 10;
+	}
+	return (nb_digit);
+}
+
+static void	ft_putdigit(size_t num)
+{
+	if (num > 9)
+	{
+		ft_putdigit(num / 10);
+		ft_putchar(num % 10 + 48);
+	}
+	else
+		ft_putchar(num + 48);
+}
+
+void	ft_putnum(size_t num, size_t padding)
+{
+	size_t	size;
+	size_t	i;
+
+	i = 0;
+	size = get_size(num);
+	while (i < padding - size)
+	{
+		ft_putchar('0');
+		i++;
+	}
+	ft_putdigit(num);
+}

utils/putstr.c

@@ -0,0 +1,14 @@
+#include "utils.h"
+#include <stddef.h>
+
+void	ft_putstr(char *str)
+{
+	size_t	i;
+
+	i = 0;
+	while (str[i] != 0)
+	{
+		ft_putchar(str[i]);
+		i++;
+	}
+}

utils/utils.h

@@ -6,7 +6,7 @@
 /*   By: cchauvet <cchauvet@student.42angouleme.fr  +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2023/04/11 14:38:07 by cchauvet          #+#    #+#             */
-/*   Updated: 2023/04/11 14:46:12 by cchauvet         ###   ########.fr       */
+/*   Updated: 2023/04/25 14:09:53 by cchauvet         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -17,5 +17,8 @@
 
 bool	ft_isnum(char str[]);
 int		ft_atoi(const char str[]);
+void	ft_putchar(char c);
+void	ft_putstr(char str[]);
+void	ft_putnum(size_t num, size_t padding);
 
 #endif